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[PATCH 09/17] Move copy{in,out}msg declarations to copy_user.h


From: Sergey Bugaev
Subject: [PATCH 09/17] Move copy{in,out}msg declarations to copy_user.h
Date: Wed, 27 Mar 2024 19:18:33 +0300

Since they are implemented in copy_user.c
---
 i386/i386/locore.h |  4 ----
 ipc/copy_user.h    | 15 +++++++++++++++
 kern/exception.c   |  1 +
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/i386/i386/locore.h b/i386/i386/locore.h
index 217e6dec..8ff587ed 100644
--- a/i386/i386/locore.h
+++ b/i386/i386/locore.h
@@ -52,10 +52,6 @@ extern int copyinmsg (const void *userbuf, void *kernelbuf, 
size_t cn, size_t kn
 extern int copyout (const void *kernelbuf, void *userbuf, size_t cn);
 #ifdef USER32
 extern int copyoutmsg (const void *kernelbuf, void *userbuf, size_t cn);
-#else
-static inline int copyoutmsg (const void *kernelbuf, void *userbuf, size_t cn) 
{
-       return copyout (kernelbuf, userbuf, cn);
-}
 #endif
 
 extern int inst_fetch (int eip, int cs);
diff --git a/ipc/copy_user.h b/ipc/copy_user.h
index a57b3ee5..33beacd0 100644
--- a/ipc/copy_user.h
+++ b/ipc/copy_user.h
@@ -25,6 +25,21 @@
 #include <machine/locore.h>
 #include <mach/message.h>
 
+int copyinmsg(
+       const void      *userbuf,
+       void            *kernelbuf,
+       size_t          usize,
+       size_t          ksize);
+
+#ifdef USER32
+int copyoutmsg(
+       const void      *kernelbuf,
+       void            *userbuf,
+       size_t          ksize);
+#else
+#define copyoutmsg     copyout
+#endif
+
 /*
  * The copyin_32to64() and copyout_64to32() routines are meant for data types
  * that have different size in kernel and user space. They should be 
independent
diff --git a/kern/exception.c b/kern/exception.c
index 7139b466..cc023d45 100644
--- a/kern/exception.c
+++ b/kern/exception.c
@@ -30,6 +30,7 @@
 #include <mach/port.h>
 #include <mach/mig_errors.h>
 #include <machine/locore.h>
+#include <ipc/copy_user.h>
 #include <ipc/port.h>
 #include <ipc/ipc_entry.h>
 #include <ipc/ipc_notify.h>
-- 
2.44.0




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